As part of his documentary exploring America's love affair with firearms, ITV News Washington correspondent Robert Moore fired an AR-15 assault rifle for the first time.
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A cloudy and damp start for many southeastern areas, but turning brighter through the afternoon.
Countries have been switching off their lights for Earth Hour, a global call for international unity on the importance of climate change.
Captain Steve Smith admitted Australia deliberately tampered with the ball during the third Test against South Africa.